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5. OPERATING YOUR WALL CONTROLS
(CONTINUED)
RD-4P MODEL
TM
DEHUMIDISTAT PROFESSIONAL
FEATURES
• Dehumidistat to select the humidity level
• Range Control (OFF, NORMAL and REDUCED)
• Mode Control (INTERM and CONT)
• Cycles per hour (0/0, 20/40 and 30/30)
• Green LED light on = OVERRIDE
• Orange LED light on = CONT/INTERM
• LED light maintenance reminder
Comes complete with Relative Humidity Sensor Dial, Speed Control
Selector Switch, Mode Selector Switch, Cycles per Hour Selector
Switch and Maintenance Reminder Feature.
RELATIVE HUMIDITY SENSOR DIAL (OFF/60%/COMFORT ZONE/30%):
• Overrides the ventilation system to high speed once the level of
humidity is above the set point.
• If the wall control is in CONT or INTERM mode the ventilation
system will automatically return to its original mode once the level of
humidity is below the set point.
NOTE:
By turning the relative humidity Sensor Dial to the OFF position does
not turn off the ventilation system. It only deactivates the relative humidity
sensor.
RANGE SELECTOR SWITCH (OFF/NORMAL/REDUCED):
•
OFF
– Sends command to turn off the ventilation system.
•
NORMAL
– The ventilation system operates on installers set speeds
(CONT and OVERRIDE)
•
REDUCE
– The ventilation system operates at 30% reduction in CONT
and 15% in OVERRIDE set speed
NOTE:
REDUCE mode will not decrease below the minimum low speed
of the ventilation system.
MODE SELECTOR SWITCH (INTERM/CONT):
•
INTERM
– When the selector switch is in the INTER position the
ventilation system will only run on high speed when there is a request
for ventilation. At this time the unit will run on high speed until the
level of humidity is below the set point, The T-3 timer has completed
its time period or once the cycles per hour has completed its cycle.
•
CONT
– Provides continuous ventilation. The ventilation system will
increase to high when there is a request from one of the wall controls.
(Recommended for maximum indoor air quality.)
CYCLES / HOUR SELECTOR SWITCH (0; 20/40; 30/30):
•
0
– The ventilation system operates at the settings of your RD Series
wall control.
•
20/40
– The ventilation system cycles automatically for 20 minutes
at high speed and returns to previous settings (CONT or INTERM)
pending settings on the mode selector switch on your RD series wall
control.
•
30/30
– The ventilation system cycles automatically for 30 minutes
at high speed and returns to previous settings (CONT or INTERM)
pending settings on the mode selector switch on your RD series wall
control.
NOTE:
The ventilation system will go to high speed if a demand from
any remote wall control is activated when in the 2nd stage of cycle.
(Ex: 40 or 30 minutes)
MAINTENANCE REMINDER LIGHT:
• LED is lit after 90 days consecutive power to the ventilation system.
• To reset the maintenance LED reminder, put the range selector switch
to the OFF position.
Installation of a RD-Series main wall control with your HRV/ERV will improve
comfort and may significantly reduce the product’s energy use.
